$ git clone -n https://gitee.com/src-opencloudos-rpms/syslinux /var/lib/mock/dist-oc8-build-32528-9797/root/chroot_tmpdir/scmroot/syslinux
Cloning into '/var/lib/mock/dist-oc8-build-32528-9797/root/chroot_tmpdir/scmroot/syslinux'...
$ git reset --hard origin/oc8
HEAD is now at 55f886b import syslinux-6.04-6.tl3